:root {
  color-scheme: dark;
  --lime: #a3e635;
  --lime-dark: #65a30d;
  --lcd: #c7e8a9;
  --ink: #0a0f02;
  --panel: #222227;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: #050505;
  color: #f5f5f5;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

button {
  border: 0;
  color: inherit;
  font: inherit;
}

.stage {
  align-items: center;
  background: #0a0a0a;
  display: flex;
  justify-content: center;
  min-height: 100svh;
  padding: 16px;
  width: 100%;
}

.device {
  aspect-ratio: 3 / 4.4;
  background: linear-gradient(145deg, #34343a 0%, #25252a 40%, #1c1c20 100%);
  border-radius: 36px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -2px 8px rgba(0, 0, 0, 0.6),
    0 30px 60px -20px rgba(0, 0, 0, 0.9),
    0 0 0 1px rgba(0, 0, 0, 0.6);
  max-height: 94vh;
  max-width: 440px;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.grain {
  background-image: repeating-linear-gradient(90deg, #fff 0, #fff 1px, transparent 1px, transparent 3px);
  inset: 0;
  mix-blend-mode: overlay;
  opacity: 0.06;
  pointer-events: none;
  position: absolute;
}

.shine {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07) 0%, transparent 100%);
  height: 50%;
  inset: 0 0 auto;
  pointer-events: none;
  position: absolute;
}

.level-ui {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
  justify-content: space-between;
  padding: 32px 24px;
  position: relative;
  z-index: 1;
}

.sensor-overlay,
.denied-overlay {
  align-items: center;
  background: rgba(0, 0, 0, 0.56);
  display: flex;
  flex-direction: column;
  gap: 16px;
  inset: 0;
  justify-content: center;
  padding: 32px;
  position: absolute;
  text-align: center;
  z-index: 20;
}

.sensor-overlay {
  backdrop-filter: blur(8px);
  cursor: pointer;
}

.sensor-overlay[hidden],
.denied-overlay[hidden] {
  display: none;
}

.sensor-overlay span:last-child {
  color: #e5e5e5;
  font-size: 14px;
  font-weight: 700;
}

.denied-overlay strong {
  color: #fcd34d;
  font-size: 14px;
}

.denied-overlay span {
  color: #a3a3a3;
  font-size: 12px;
  line-height: 1.5;
  max-width: 310px;
}

.brand {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.eyebrow {
  color: #737373;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}

.status-dot {
  background: #525252;
  border-radius: 999px;
  display: block;
  height: 6px;
  transition: background-color 200ms ease, box-shadow 200ms ease;
  width: 6px;
}

.device.leveled .status-dot {
  background: var(--lime);
  box-shadow: 0 0 8px 2px rgba(163, 230, 53, 0.7);
}

.tube-row {
  align-items: center;
  display: flex;
  height: clamp(80px, 22vw, 112px);
  justify-content: center;
  width: 100%;
}

.body-grid {
  align-items: stretch;
  display: grid;
  gap: 12px;
  grid-template-columns: 34% 1fr;
  width: 100%;
}

.tube-column {
  display: flex;
  flex-direction: column;
  min-height: 168px;
}

.cap {
  align-items: center;
  background: linear-gradient(180deg, #5a5d60 0%, #4d5053 45%, #3a3c3e 100%);
  border-radius: 6px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    inset 0 -2px 4px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(0, 0, 0, 0.4);
  display: flex;
  flex: 0 0 28px;
  height: 100%;
  justify-content: center;
  position: relative;
}

.cap-vertical {
  flex: 0 0 28px;
  height: 28px;
  width: 100%;
}

.cap span {
  background: radial-gradient(circle at 35% 35%, #888 0%, #4a4c4f 60%, #2a2b2d 100%);
  border-radius: 999px;
  box-shadow: inset 0 0 2px rgba(0, 0, 0, 0.6);
  height: 12px;
  width: 12px;
}

.cap::after {
  background: rgba(0, 0, 0, 0.5);
  border-radius: 999px;
  content: "";
  height: 2px;
  position: absolute;
  transform: rotate(45deg);
  width: 12px;
}

.tube {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12) 0%, transparent 18%, transparent 82%, rgba(0, 0, 0, 0.25) 100%),
    linear-gradient(90deg, #a8e030 0%, #8fd11f 50%, #66a51d 100%);
  box-shadow:
    inset 0 2px 6px rgba(0, 0, 0, 0.4),
    inset 0 -1px 3px rgba(255, 255, 255, 0.25),
    0 0 0 1px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  position: relative;
}

.tube-horizontal {
  border-radius: 999px;
  flex: 1;
  height: 100%;
  margin-inline: -2px;
}

.tube-vertical {
  border-radius: 999px;
  flex: 1;
  margin-block: -2px;
}

.tube-gloss {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.05) 60%, transparent 100%);
  border-radius: 999px;
  height: 40%;
  inset: 0 0 auto;
  position: absolute;
}

.major-mark,
.minor-mark {
  background: rgba(0, 0, 0, 0.35);
  position: absolute;
}

.major-mark-h,
.minor-mark-h {
  bottom: 0;
  top: 0;
  width: 1px;
}

.major-mark-h {
  left: 50%;
}

.minor-mark-h.left {
  left: 38%;
}

.minor-mark-h.right {
  left: 62%;
}

.major-mark-v,
.minor-mark-v {
  height: 1px;
  left: 0;
  right: 0;
}

.major-mark-v {
  top: 50%;
}

.minor-mark-v.upper {
  top: 38%;
}

.minor-mark-v.lower {
  top: 62%;
}

.bubble {
  background: radial-gradient(ellipse at 38% 30%, rgba(255, 255, 255, 0.95) 0%, rgba(245, 245, 245, 0.85) 35%, rgba(220, 230, 210, 0.55) 70%, rgba(180, 200, 160, 0.35) 100%);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 2px rgba(255, 255, 255, 0.9),
    inset 0 -1px 2px rgba(0, 0, 0, 0.2),
    0 1px 2px rgba(0, 0, 0, 0.25);
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: box-shadow 300ms ease;
  will-change: left, top;
}

.bubble-horizontal {
  height: 26px;
  width: 34px;
}

.bubble-vertical {
  height: 34px;
  width: 26px;
}

.bubble span {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.2) 100%);
  border-radius: 999px;
  filter: blur(0.5px);
  height: 7px;
  left: 5px;
  position: absolute;
  right: 8px;
  top: 3px;
}

.device.leveled .bubble {
  box-shadow:
    0 0 14px 2px rgba(163, 230, 53, 0.55),
    inset 0 1px 2px rgba(255, 255, 255, 0.9),
    inset 0 -1px 2px rgba(0, 0, 0, 0.2);
}

.readouts {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.readout {
  background: linear-gradient(180deg, #2e2e2e 0%, #262626 100%);
  border-radius: 12px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -1px 3px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(0, 0, 0, 0.4);
  flex: 1;
  padding: 10px;
  position: relative;
}

.readout i {
  background: rgba(0, 0, 0, 0.6);
  border-radius: 999px;
  height: 4px;
  position: absolute;
  width: 4px;
}

.readout i:nth-child(1) { left: 4px; top: 4px; }
.readout i:nth-child(2) { right: 4px; top: 4px; }
.readout i:nth-child(3) { bottom: 4px; left: 4px; }
.readout i:nth-child(4) { bottom: 4px; right: 4px; }

.lcd {
  align-items: center;
  background: linear-gradient(180deg, #c7e8a9 0%, #aecf8c 100%);
  border-radius: 6px;
  box-shadow:
    inset 0 2px 6px rgba(0, 0, 0, 0.25),
    inset 0 -1px 2px rgba(255, 255, 255, 0.3);
  display: flex;
  justify-content: space-between;
  overflow: hidden;
  padding: 6px 12px;
  transition: background 200ms ease;
}

.device.leveled .lcd {
  background: linear-gradient(180deg, #d4f5a8 0%, #b8e889 100%);
}

.lcd span {
  color: var(--ink);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.14em;
  opacity: 0.55;
}

.lcd output {
  color: var(--ink);
  font: 700 30px/1 "Courier New", ui-monospace, monospace;
  min-width: 104px;
  text-align: right;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.4);
}

.controls {
  display: flex;
  gap: 12px;
}

.control {
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  color: #a3a3a3;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 64px;
  padding: 7px 12px;
  transition: background-color 160ms ease, color 160ms ease;
}

.control:active {
  background: rgba(255, 255, 255, 0.1);
}

.control.active .icon {
  color: var(--lime);
}

.control span:last-child {
  color: #737373;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.icon,
.target-icon {
  color: #a3e635;
  display: block;
  height: 18px;
  position: relative;
  width: 18px;
}

.target-icon {
  height: 42px;
  width: 42px;
}

.target-icon::before,
.icon-target::before {
  border: 2px solid currentColor;
  border-radius: 999px;
  content: "";
  inset: 2px;
  position: absolute;
}

.target-icon::after,
.icon-target::after {
  background:
    linear-gradient(currentColor, currentColor) 50% 0 / 2px 8px no-repeat,
    linear-gradient(currentColor, currentColor) 50% 100% / 2px 8px no-repeat,
    linear-gradient(currentColor, currentColor) 0 50% / 8px 2px no-repeat,
    linear-gradient(currentColor, currentColor) 100% 50% / 8px 2px no-repeat;
  content: "";
  inset: 0;
  position: absolute;
}

.icon-reset::before {
  border: 2px solid currentColor;
  border-left-color: transparent;
  border-radius: 999px;
  content: "";
  inset: 2px;
  position: absolute;
}

.icon-reset::after {
  border-left: 5px solid currentColor;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  content: "";
  left: 0;
  position: absolute;
  top: 1px;
  transform: rotate(-20deg);
}

.icon-haptics::before,
.icon-haptics::after {
  border: 2px solid currentColor;
  border-bottom: 0;
  border-left: 0;
  border-radius: 0 999px 0 0;
  content: "";
  height: 14px;
  position: absolute;
  right: 2px;
  top: 2px;
  transform: rotate(45deg);
  width: 14px;
}

.icon-haptics::after {
  height: 8px;
  right: 5px;
  top: 5px;
  width: 8px;
}

@media (orientation: landscape) {
  .device {
    aspect-ratio: 16 / 11;
    max-width: 760px;
  }

  .level-ui {
    gap: 12px;
    padding-block: 24px;
  }

  .tube-row {
    height: 80px;
  }
}

@media (max-width: 380px) {
  .stage {
    padding: 10px;
  }

  .level-ui {
    padding: 24px 18px;
  }

  .lcd output {
    font-size: 24px;
    min-width: 86px;
  }

  .controls {
    gap: 8px;
  }

  .control {
    min-width: 58px;
    padding-inline: 8px;
  }
}